A girl was also injured in firing by Pakistani troops.
ATS has found that Labhshankar Maheshwari, a native of Pakistan who was granted Indian citizenship in 2005, had agreed to be part of the conspiracy to expedite the visa process for him, his wife and two other family members wanting to visit the neighbouring country to meet relatives.
Modi brought up the emotive issue of the gurdwara in Kartarpur Sahib, a place sacred to Sikhs as Guru Nanak Dev spent the last years of his life there, and blamed the Congress for country's partition, saying they did it for sake of power.
The army said that three terrorists were "neutralised while entering the base while the remaining three terrorists have been cornered/isolated due to timely and effective response by the troops".
The Pakistan army used heavy weaponry, firing 120 mm mortars targeting civilian hamlets and forward posts since 5.30 pm on Tuesday, said an army officer.
An advisory was sent to Army personnel last month to make them aware of the 'trap'.
Taking advantage of bad weather marked by incessant rainfall and poor visibility, a group of armed terrorists attempted to infiltrate across the LoC, he said.
The Pakistan High Commission staffer, who was detained for his alleged involvement in an espionage ring, belongs to the Baloch regiment of Pakistani Army and was on deputation to spy agency ISI since 2013.
'They are aware that they have been unable to bring about any change in the security situation in Kashmir and have failed to internationalise the Kashmir issue.'
While the Pakistani army and US troops continue to drive the Taliban out of their hideouts in South Waziristan, there is perhaps a dormant, but more dangerous, threat looming overhead.
Members of the Indian cricket fraternity paid their tribute to the Indian soldiers.
Indian troops retaliated befittingly to silence the Pakistani guns along the LoC in Mankote, Mendhar and Khari Karmara sectors in Poonch district and along the IB in Hiranagar sector of Kathua district, they said, adding there was no immediate report of any casualty.
Indian Army's Director General of Military Operations Lt Gen A K Bhatt conveyed to his Pakistani counterpart that the trend of cross-border infiltration with "active support" of Pakistani forward posts has been continuing, impacting peace and tranquillity in the border areas.